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Christopher Thomas
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Oakland, MI, US
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Patents Grants
last 30 patents
Information
Patent Grant
Spark plug with drainage features in terminal
Patent number
11,128,108
Issue date
Sep 21, 2021
DENSO International America, Inc.
Jeongung Hwang
F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information
Patent Grant
Ground electrode assembly for a spark plug
Patent number
10,468,857
Issue date
Nov 5, 2019
DENSO International America, Inc.
Jeongung Hwang
C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information
Patent Grant
Ground electrode pad for spark plug
Patent number
10,418,787
Issue date
Sep 17, 2019
DENSO International America, Inc.
Jeongung Hwang
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Laser ignition device
Patent number
9,932,956
Issue date
Apr 3, 2018
DENSO International America, Inc.
Jeongung Hwang
F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information
Patent Grant
Wire ground electrode spark plug for super flow
Patent number
9,871,351
Issue date
Jan 16, 2018
DENSO International America, Inc.
Christopher Thomas
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Copper core combustion cup for pre-chamber spark plug
Patent number
8,912,716
Issue date
Dec 16, 2014
DENSO International America, Inc.
Jeongung Hwang
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Partial shroud of spark plug for ground electrode heat dispersion
Patent number
8,823,251
Issue date
Sep 2, 2014
DENSO International America, Inc.
Jeongung Hwang
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Pre-chamber spark plug including a gas thread cavity
Patent number
8,350,457
Issue date
Jan 8, 2013
DENSO International America, Inc.
Christopher Thomas
H01 - BASIC ELECTRIC ELEMENTS
Patents Applications
last 30 patents
Information
Patent Application
Ground Electrode Pad For Spark Plug
Publication number
20180331508
Publication date
Nov 15, 2018
DENSO International America, Inc.
Jeongung HWANG
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
Laser Ignition Device
Publication number
20170241395
Publication date
Aug 24, 2017
DENSO International America, Inc.
Jeongung HWANG
F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information
Patent Application
WIRE GROUND ELECTRODE SPARK PLUG FOR SUPER FLOW
Publication number
20160156158
Publication date
Jun 2, 2016
DENSO International America, Inc.
Christopher Thomas
B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information
Patent Application
Partial Shroud Of Spark Plug For Ground Electrode Heat Dispersion
Publication number
20140009058
Publication date
Jan 9, 2014
DENSO CORPORATION
Jeongung Hwang
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
PRE-CHAMBER SPARK PLUG INCLUDING A GAS THREAD CAVITY
Publication number
20120248964
Publication date
Oct 4, 2012
DENSO International America, Inc.
Christopher Thomas
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
COPPER CORE COMBUSTION CUP FOR PRE-CHAMBER SPARK PLUG
Publication number
20120242215
Publication date
Sep 27, 2012
DENSO International America, Inc.
Jeongung Hwang
H01 - BASIC ELECTRIC ELEMENTS